.header {
    height: 59px;
    border-bottom: 1px solid #404553;
    background-color: #393D49;
}
.logo {
    position: absolute;
    left: 0;
    padding-left: 14px;
    padding-right: 14px;
    line-height: 60px;
    font-size: 20px;
    color: rgba(255,255,255,.7);
}
.logo:hover {
    color: rgba(255,255,255,.7);
}
.logo img {
    height: 32px;
    margin-right: 10px;
}
.nav {
    position: absolute;
    right: 0;
}
.footer {
    position: absolute;
    width: 100%;
    height: 400px;
    background: url(/static/img/footer.png);
    background-position-x: 0%;
    background-position-y: 0%;
    background-repeat: repeat-x;
    background-position: 0 bottom;
    bottom: 0;
}
.center{
    position: relative;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.wrap {
    position: absolute;
    left: 0;
    right: 0;
    top: 60px;
    bottom: 0;
    z-index: 998;
    width: auto;
    overflow-y: auto;
    box-sizing: border-box;
    background-color: rgba(245, 245, 245, 0.5);
}
.icon {
    width: 30px;
    height: 30px;
    position: absolute;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    image-rendering: -webkit-optimize-contrast;
}
.file_icon {
    background-image: url(../img/file_icon.png);
}
.folder_icon {
    background-image: url(../img/folder_icon.png);
}
.file_name {
    margin-left: 35px;
}
.side {
    top: 60px;
}
.side ul {
    top: 60px;
}
.error {
    text-align: center;
    font-size: 40px;
}
.error i{
    font-size: 300px;
}